C3123223313331322121111331333133313231333132212111113231333233121   >>    C312322331333132212111133133313331323133313221211111323133323312   <<    C3123223313331322121111331333133313231333132212111113231333233123   >>      C3123223313331322121111331333133313231333132212111113231333233122   >>