C3123223313331322121111331333133313231333132212111113331312111133133313121111   >>    C312322331333132212111133133313331323133313221211111333131211113313331312111   <<    C3123223313331322121111331333133313231333132212111113331312111133133313121113   >>      C3123223313331322121111331333133313231333132212111113331312111133133313121112   >>