C31232233133313221211113313331333132313331322121111121111123313231333131133231   >>    C3123223313331322121111331333133313231333132212111112111112331323133313113323   <<    C31232233133313221211113313331333132313331322121111121111123313231333131133233   >>      C31232233133313221211113313331333132313331322121111121111123313231333131133232   >>