C3123223313331322121111331333133313231333132212111112111111112331   >>    C312322331333132212111133133313331323133313221211111211111111233   <<    C3123223313331322121111331333133313231333132212111112111111112333   >>      C3123223313331322121111331333133313231333132212111112111111112332   >>