C111113331333132322331333133313331331123231311212111133131112321   >>    C11111333133313232233133313331333133112323131121211113313111232   <<    C111113331333132322331333133313331331123231311212111133131112323   >>      C111113331333132322331333133313331331123231311212111133131112322   >>