C312322331333132212111133133313331323133313221211111233131133131333321   >>    C31232233133313221211113313331333132313331322121111123313113313133332   <<    C312322331333132212111133133313331323133313221211111233131133131333323   >>      C312322331333132212111133133313331323133313221211111233131133131333322   >>