C3123223313331322121111331333133313231333132212113313331333133323133313211   >>    C312322331333132212111133133313331323133313221211331333133313332313331321   <<    C3123223313331322121111331333133313231333132212113313331333133323133313213   >>      C3123223313331322121111331333133313231333132212113313331333133323133313212   >>