C31232233133313221211113313331333132313331322121111133313133313331323221232311   >>    C3123223313331322121111331333133313231333132212111113331313331333132322123231   <<    C31232233133313221211113313331333132313331322121111133313133313331323221232313   >>      C31232233133313221211113313331333132313331322121111133313133313331323221232312   >>