C3123223313331322121111331333133313231333132212113313331323131211331312311211   >>    C312322331333132212111133133313331323133313221211331333132313121133131231121   <<    C3123223313331322121111331333133313231333132212113313331323131211331312311213   >>      C3123223313331322121111331333133313231333132212113313331323131211331312311212   >>