C1111133313331323223313331333133313331323131211113313222311321211   >>    C111113331333132322331333133313331333132313121111331322231132121   <<    C1111133313331323223313331333133313331323131211113313222311321213   >>      C1111133313331323223313331333133313331323131211113313222311321212   >>