C1111133313331323223313331333133313233231311211331333132313331323312331   >>    C111113331333132322331333133313331323323131121133133313231333132331233   <<    C1111133313331323223313331333133313233231311211331333132313331323312333   >>      C1111133313331323223313331333133313233231311211331333132313331323312332   >>