C1111133313331323223313331333133313233231311211331333131122112323133322321   >>    C111113331333132322331333133313331323323131121133133313112211232313332232   <<    C1111133313331323223313331333133313233231311211331333131122112323133322323   >>      C1111133313331323223313331333133313233231311211331333131122112323133322322   >>