C111113331333132322331333133313331323132322233231323133313231333132212111   >>    C11111333133313232233133313331333132313232223323132313331323133313221211   <<    C111113331333132322331333133313331323132322233231323133313231333132212113   >>      C111113331333132322331333133313331323132322233231323133313231333132212112   >>