C11111333133313232233133313331333132313331323321313331333132321123231311222321   >>    C1111133313331323223313331333133313231333132332131333133313232112323131122232   <<    C11111333133313232233133313331333132313331323321313331333132321123231311222323   >>      C11111333133313232233133313331333132313331323321313331333132321123231311222322   >>