C3123223313331322121111331333133313231333132212111111113313133231   >>    C312322331333132212111133133313331323133313221211111111331313323   <<    C3123223313331322121111331333133313231333132212111111113313133233   >>      C3123223313331322121111331333133313231333132212111111113313133232   >>