C313212111133131211331333133313331333131133211331333132322331311211   >>    C31321211113313121133133313331333133313113321133133313232233131121   <<    C313212111133131211331333133313331333131133211331333132322331311213   >>      C313212111133131211331333133313331333131133211331333132322331311212   >>