C3123223313331322121111331333133313231333132212111133132211211322131   >>    C312322331333132212111133133313331323133313221211113313221121132213   <<    C3123223313331322121111331333133313231333132212111133132211211322133   >>      C3123223313331322121111331333133313231333132212111133132211211322132   >>