C3123223313331322121111331333133313231333132212111113231333113231   >>    C312322331333132212111133133313331323133313221211111323133311323   <<    C3123223313331322121111331333133313231333132212111113231333113233   >>      C3123223313331322121111331333133313231333132212111113231333113232   >>