C3123223313331322121111331333133313231333132212111113231311112111   >>    C312322331333132212111133133313331323133313221211111323131111211   <<    C3123223313331322121111331333133313231333132212111113231311112113   >>      C3123223313331322121111331333133313231333132212111113231311112112   >>