C31232233133313221211113313331333132313331322121111331333131323223313221211   >>    C3123223313331322121111331333133313231333132212111133133313132322331322121   <<    C31232233133313221211113313331333132313331322121111331333131323223313221213   >>      C31232233133313221211113313331333132313331322121111331333131323223313221212   >>