C31232233133313221211113313331333132313331333133313331333131211111211113321311   >>    C3123223313331322121111331333133313231333133313331333133313121111121111332131   <<    C31232233133313221211113313331333132313331333133313331333131211111211113321313   >>      C31232233133313221211113313331333132313331333133313331333131211111211113321312   >>