C312322331333132212111133133313331323133313331333133313331312111133131312321   >>    C31232233133313221211113313331333132313331333133313331333131211113313131232   <<    C312322331333132212111133133313331323133313331333133313331312111133131312323   >>      C312322331333132212111133133313331323133313331333133313331312111133131312322   >>