C1111133313331323223313331333133313331323133313331333112113313211   >>    C111113331333132322331333133313331333132313331333133311211331321   <<    C1111133313331323223313331333133313331323133313331333112113313213   >>      C1111133313331323223313331333133313331323133313331333112113313212   >>