C3123223313331322121111331333133313231333132212111112312111133232211   >>    C312322331333132212111133133313331323133313221211111231211113323221   <<    C3123223313331322121111331333133313231333132212111112312111133232213   >>      C3123223313331322121111331333133313231333132212111112312111133232212   >>