C1111133313331323223313331333133313331333232233133112111133131111323112321   >>    C111113331333132322331333133313331333133323223313311211113313111132311232   <<    C1111133313331323223313331333133313331333232233133112111133131111323112323   >>      C1111133313331323223313331333133313331333232233133112111133131111323112322   >>