C1111133313331323223313331333133313231323112113313232233131213321   >>    C111113331333132322331333133313331323132311211331323223313121332   <<    C1111133313331323223313331333133313231323112113313232233131213323   >>      C1111133313331323223313331333133313231323112113313232233131213322   >>