1	a1: vernal equinox (spring)
1	a2: the blossom after the bud
1	a3: birth of the sun (summer solstice)
1	a4: the longest day of the year
0	a5: aphelion
0	b1: autumnal equinox
0	b2: the chemistry of colour
0	b3: death of the sun (winter solstice)
0	b4: the great conjunction
0	b5: perihelion

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hyperzine

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