C1111133313331323223313331333133313233231311211331333133313111111321   >>    C111113331333132322331333133313331323323131121133133313331311111132   <<    C1111133313331323223313331333133313233231311211331333133313111111323   >>      C1111133313331323223313331333133313233231311211331333133313111111322   >>