C3123223313331322121111331333133313231333132212111133132213221231   >>    C312322331333132212111133133313331323133313221211113313221322123   <<    C3123223313331322121111331333133313231333132212111133132213221233   >>      C3123223313331322121111331333133313231333132212111133132213221232   >>